@font-face {
  font-family: "Unbounded";
  src: url("/assets/fonts/unbounded-latin.woff2") format("woff2");
  font-display: swap;
  font-weight: 400 900;
}

:root {
  --paper: #f1f3f0;
  --paper-deep: #e5e9e7;
  --paper-bright: #fafbf8;
  --artwork-bed: #d7dcda;
  --ink: #171b22;
  --ink-soft: #565e68;
  --rule: #aeb5b8;
  --rule-dark: #727b83;
  --cobalt: #174fc9;
  --cobalt-dark: #103a94;
  --cobalt-wash: #dbe5ff;
  --vermilion: #df432f;
  --vermilion-dark: #a72c1d;
  --vermilion-wash: #f8ded8;
  --type-display: clamp(18px, 2vw, 27px);
  --type-title: 15px;
  --type-label: 10px;
  --type-data: 10px;
  --type-mobile-field: 16px;
}

* { box-sizing: border-box; }
html { min-width: 320px; color: var(--ink); background: var(--paper); }
html.auth-pending body { visibility: hidden; }
body { min-height: 100dvh; margin: 0; font-family: "Segoe UI Variable", Aptos, "Segoe UI", sans-serif; }
button, select { font: inherit; }
button, a, select { -webkit-tap-highlight-color: transparent; }
::selection { color: #fff; background: var(--cobalt-dark); }
:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 2px; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  color: #fff;
  background: var(--ink);
  transform: translateY(-150%);
}
.skip-link:focus { transform: none; }

.duplicate-shell { height: 100dvh; min-height: 0; overflow: hidden; }
.duplicate-shell [hidden] { display: none !important; }
.utility-button,
.rebuild-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border: 1px solid var(--rule-dark);
  border-radius: 0;
  padding: 0 11px;
  color: var(--ink);
  background: var(--paper-bright);
  cursor: pointer;
  font-size: 10px;
  font-weight: 800;
  text-decoration: none;
}
.utility-button:hover,
.rebuild-button:hover { color: #fff; background: var(--ink); }
.utility-button:disabled,
.rebuild-button:disabled { cursor: wait; opacity: .48; }

.duplicate-status {
  display: flex;
  align-items: center;
  min-height: 34px;
  border-bottom: 1px solid var(--rule-dark);
  padding: 0 18px;
  color: var(--ink-soft);
  background: var(--paper-bright);
  font: 9px/1.4 "Cascadia Mono", Consolas, monospace;
}
.duplicate-status[data-tone="error"] { color: var(--vermilion-dark); background: var(--vermilion-wash); }
.duplicate-status[data-tone="success"] { color: var(--cobalt-dark); background: var(--cobalt-wash); }

.duplicate-workspace {
  display: grid;
  grid-template-columns: 228px minmax(620px, 1fr) 260px;
  height: calc(100dvh - 98px);
  min-height: 0;
  overflow: hidden;
}

.duplicate-register,
.evidence-rail { min-width: 0; min-height: 0; overflow-y: auto; padding: 23px 18px; background: var(--paper-bright); }
.duplicate-register { border-right: 1px solid var(--ink); }
.evidence-rail { border-left: 1px solid var(--ink); }
.register-heading { padding-bottom: 20px; border-bottom: 2px solid var(--ink); }
.register-heading h1 { margin: 0; font-size: var(--type-display); line-height: 1; letter-spacing: -.025em; }
.register-heading p,
.register-note,
.evidence-rail > p { margin: 9px 0 0; color: var(--ink-soft); font-size: 10px; line-height: 1.5; }

.field-label {
  display: block;
  margin: 22px 0 6px;
  font-size: var(--type-label);
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
#nicheSelect {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--rule-dark);
  border-radius: 0;
  padding: 0 9px;
  color: var(--ink);
  background: var(--paper-bright);
  font-size: 12px;
  font-weight: 760;
}

.duplicate-totals { margin: 21px 0 0; border-top: 1px solid var(--rule-dark); }
.duplicate-totals div,
.evidence-list div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  min-height: 40px;
  border-bottom: 1px dotted var(--rule-dark);
  padding: 9px 0;
}
.duplicate-totals dt,
.evidence-list dt { color: var(--ink-soft); font-size: 10px; }
.duplicate-totals dd,
.evidence-list dd { margin: 0; font: 800 11px/1.2 "Cascadia Mono", Consolas, monospace; text-align: right; }
.duplicate-totals .attention-row dd { color: var(--vermilion-dark); }
.rebuild-button { width: 100%; margin-top: 16px; }

.view-switch { display: grid; grid-template-columns: 1fr 1fr; margin-top: 24px; border: 1px solid var(--rule-dark); }
.view-switch button {
  min-height: 40px;
  border: 0;
  border-right: 1px solid var(--rule-dark);
  color: var(--ink);
  background: var(--paper-bright);
  cursor: pointer;
  font-size: 10px;
  font-weight: 800;
}
.view-switch button:last-child { border-right: 0; }
.view-switch button[aria-pressed="true"] { color: var(--cobalt-dark); background: var(--cobalt-wash); box-shadow: inset 0 -3px 0 var(--cobalt); }

.comparison-desk { display: grid; grid-template-rows: 60px minmax(0, 1fr); min-width: 0; min-height: 0; overflow: hidden; background: var(--artwork-bed); }
.comparison-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--ink);
  background: var(--paper-bright);
}
.comparison-heading h2 { margin: 0; font-size: 15px; line-height: 1.2; }
.comparison-heading p { margin: 4px 0 0; color: var(--ink-soft); font: 9px/1.3 "Cascadia Mono", Consolas, monospace; }
.review-stamp { border: 1px solid var(--rule-dark); padding: 4px 6px; color: var(--ink-soft); font: 9px/1 "Cascadia Mono", Consolas, monospace; }

.comparison-loading,
.pair-stage { min-height: 0; }
.comparison-loading { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; padding: 26px; }
.comparison-loading span { background: linear-gradient(100deg, var(--paper-deep) 30%, var(--paper-bright) 47%, var(--paper-deep) 64%); background-size: 240% 100%; animation: scan 1.15s linear infinite; }
.comparison-empty { display: grid; place-content: center; min-height: calc(100dvh - 159px); padding: 28px; text-align: center; }
.comparison-empty h2 { margin: 0; font-size: var(--type-display); }
.comparison-empty p { max-width: 52ch; margin: 12px auto 20px; color: var(--ink-soft); font-size: 11px; line-height: 1.55; }
.comparison-empty a { color: var(--cobalt-dark); font-size: 11px; font-weight: 800; text-underline-offset: 3px; }

.comparison-content { height: 100%; min-height: 0; }
.pair-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 34px minmax(0, 1fr);
  align-items: stretch;
  height: 100%;
  gap: 16px;
  padding: 24px;
  background-image: linear-gradient(90deg, transparent calc(50% - .5px), rgba(86,94,104,.2) 50%, transparent calc(50% + .5px));
}
.proof-frame { display: grid; grid-template-rows: minmax(0, 1fr) auto; min-width: 0; min-height: 0; margin: 0; border: 1px solid var(--ink); background: var(--paper-bright); }
.proof-image { position: relative; min-height: 0; overflow: hidden; background: var(--paper-deep); }
.proof-image img { position: absolute; inset: 18px; display: block; width: calc(100% - 36px); height: calc(100% - 36px); min-width: 0; min-height: 0; object-fit: contain; filter: drop-shadow(0 11px 15px rgba(23, 27, 34, .19)); }
.proof-frame figcaption { display: grid; grid-template-columns: 1fr auto; gap: 5px 16px; min-height: 86px; padding: 12px 13px 13px; border-top: 1px solid var(--ink); }
.proof-frame strong { min-width: 0; overflow: hidden; font-size: var(--type-title); line-height: 1.22; text-overflow: ellipsis; white-space: nowrap; }
.proof-frame span { grid-column: 1 / -1; color: var(--ink-soft); font-size: 10px; line-height: 1.35; }
.proof-frame small { grid-row: 1; grid-column: 2; color: var(--cobalt-dark); font: 9px/1.3 "Cascadia Mono", Consolas, monospace; }
.comparison-mark { display: flex; align-items: center; justify-content: center; gap: 5px; }
.comparison-mark span { width: 1px; height: 40%; background: var(--rule-dark); }
.comparison-mark b { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--ink); background: var(--paper-bright); font: 800 12px/1 "Cascadia Mono", Consolas, monospace; }

.decision-strip { margin: 0 0 26px; padding: 0 0 24px; border-bottom: 2px solid var(--ink); background: var(--paper-bright); }
.decision-copy { padding: 0 0 14px; }
.decision-copy h2 { margin: 0; font-size: 15px; }
.decision-copy p { margin: 7px 0 0; color: var(--ink-soft); font-size: 10px; line-height: 1.45; }
.decision-actions { display: grid; border: 1px solid var(--rule-dark); }
.decision-actions button { display: grid; grid-template-columns: 32px 1fr; align-items: stretch; min-width: 0; min-height: 62px; border: 0; border-bottom: 1px solid var(--rule-dark); padding: 0; color: var(--ink); background: var(--paper-bright); cursor: pointer; text-align: left; }
.decision-actions button:last-child { border-bottom: 0; }
.decision-actions kbd { display: grid; place-items: center; border-right: 1px solid var(--rule); font: 11px/1 "Cascadia Mono", Consolas, monospace; }
.decision-actions button span { display: grid; align-content: center; gap: 5px; padding: 12px; }
.decision-actions strong { font-size: 11px; line-height: 1.2; }
.decision-actions small { color: var(--ink-soft); font-size: var(--type-data); line-height: 1.35; }
.decision-actions button:hover,
.decision-actions button:focus-visible { color: #fff; background: var(--cobalt-dark); }
.decision-actions button:hover small,
.decision-actions button:focus-visible small { color: #fff; }
.decision-actions button:disabled { cursor: wait; opacity: .52; }

.evidence-rail header { padding-bottom: 14px; border-bottom: 2px solid var(--ink); }
.evidence-rail h2 { margin: 0; font-size: 15px; }
.evidence-rail header span { display: block; margin-top: 5px; color: var(--cobalt-dark); font: 8px/1.3 "Cascadia Mono", Consolas, monospace; }
.evidence-list { margin: 21px 0 0; }
.evidence-list dd { overflow-wrap: anywhere; }
.keyboard-note { padding-top: 17px; border-top: 1px solid var(--rule-dark); }
kbd { border: 1px solid var(--rule-dark); padding: 2px 4px; background: var(--paper-deep); font-family: "Cascadia Mono", Consolas, monospace; }

@keyframes scan { from { background-position: 100% 0; } to { background-position: -100% 0; } }

@media (max-width: 1120px) {
  .duplicate-workspace { grid-template-columns: 190px minmax(470px, 1fr) 236px; }
  .duplicate-register,
  .evidence-rail { padding-inline: 14px; }
  .pair-stage { gap: 10px; padding: 16px; }
}

@media (max-width: 900px) {
  .duplicate-shell { height: auto; min-height: 100dvh; overflow: visible; }
  .duplicate-workspace { display: block; height: auto; min-height: calc(100dvh - 98px); overflow: visible; }
  .duplicate-register { border-right: 0; border-bottom: 1px solid var(--ink); }
  .comparison-desk { display: block; overflow: visible; }
  .comparison-content { height: auto; }
  .register-heading { display: grid; grid-template-columns: auto 1fr; align-items: end; gap: 14px; }
  .register-heading p { margin: 0; }
  .duplicate-totals { display: grid; grid-template-columns: repeat(4, 1fr); }
  .duplicate-totals div { display: grid; padding: 9px; border-right: 1px dotted var(--rule-dark); }
  .duplicate-totals dd { text-align: left; }
  .rebuild-button { width: auto; }
  .register-note { display: inline; margin-left: 12px; }
  .view-switch { max-width: 360px; }
  .pair-stage { height: auto; min-height: 620px; }
  .proof-image img { max-height: 470px; }
  .evidence-rail { overflow: visible; border-top: 1px solid var(--ink); border-left: 0; padding-bottom: 86px; }
  .evidence-rail > p { max-width: 72ch; }
  .evidence-list { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--rule-dark); }
  .evidence-list div { display: grid; border-right: 1px dotted var(--rule-dark); padding: 10px; }
  .evidence-list dd { text-align: left; }
  .decision-strip { position: fixed; z-index: 40; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: 190px 1fr; margin: 0; border-top: 1px solid var(--ink); border-bottom: 0; padding: 0; box-shadow: 0 -12px 30px rgba(23, 27, 34, .14); }
  .decision-copy { display: grid; align-content: center; padding: 10px 14px; border-right: 1px solid var(--rule-dark); }
  .decision-copy p { margin-top: 3px; }
  .decision-actions { grid-template-columns: repeat(3, minmax(0, 1fr)); border: 0; }
  .decision-actions button { min-height: 68px; border-right: 1px solid var(--rule-dark); border-bottom: 0; }
  .decision-actions button:last-child { border-right: 0; }
}

@media (max-width: 680px) {
  .product-actions .utility-button:first-child { display: none; }
  .duplicate-status { padding-inline: 12px; }
  .duplicate-register { padding: 18px 12px; }
  .register-heading { display: block; }
  .register-heading p { margin-top: 8px; }
  #nicheSelect { font-size: var(--type-mobile-field); }
  .duplicate-totals { grid-template-columns: 1fr 1fr; }
  .pair-stage { grid-template-columns: minmax(0, 1fr) 22px minmax(0, 1fr); min-height: 0; gap: 4px; padding: 10px 8px; background-image: none; }
  .comparison-mark { min-width: 0; }
  .comparison-mark span { height: 26%; }
  .comparison-mark b { width: 22px; height: 22px; }
  .proof-frame { grid-template-rows: minmax(230px, 47dvh) auto; }
  .proof-image img { inset: 8px; width: calc(100% - 16px); height: calc(100% - 16px); }
  .proof-frame figcaption { display: block; min-height: 104px; padding: 9px; }
  .proof-frame strong { display: block; font-size: 11px; white-space: normal; }
  .proof-frame span { display: -webkit-box; margin-top: 5px; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
  .proof-frame small { display: block; margin-top: 6px; }
  .decision-strip { grid-template-columns: 1fr; }
  .decision-copy { display: none; }
  .decision-actions { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .decision-actions button { min-height: 64px; border-right: 1px solid var(--rule-dark); border-bottom: 0; }
  .decision-actions button:last-child { border-right: 0; }
  .decision-actions button span { gap: 2px; padding: 8px 6px; }
  .decision-actions small { display: none; }
  .evidence-list { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 430px) {
  .duplicate-totals { display: block; }
  .duplicate-totals div { display: flex; padding-inline: 0; border-right: 0; }
  .duplicate-totals dd { text-align: right; }
  .register-note { display: block; margin: 10px 0 0; }
  .view-switch { max-width: none; }
  .comparison-heading { padding-inline: 12px; }
  .comparison-heading h2 { font-size: var(--type-title); }
  .proof-frame { grid-template-rows: minmax(220px, 45dvh) auto; }
  .evidence-list { display: block; }
  .evidence-list div { display: flex; padding-inline: 0; border-right: 0; }
  .evidence-list dd { text-align: right; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}